“J. Van Eijnatten, Hogere Sferen. De ideeënwereld Van Willem Bilderdijk (1756-1831)”. BMGN - Low Countries Historical Review 114, no. 4 (January 1, 1999): 613–615. Accessed July 18, 2024. https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-105863.